{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0x273eadcb74f343abaab08c8a8c2324b63fed00d23dc11e46735633b24e5eca62",
    "signature": "0x291c3077c4c2a1ebde8f4f093e07ed008847149b24ebac474988963677b1d4f36710294cb2baf34468f840fd0b082dfe715b97f6032008347411d275c6ed00dd1c",
    "signer": "0x94d1769762bc3a1e7DCd3e8a31C89Ff199833Da6",
    "userId": "715573876"
  }
}